Question

If cos e
2
3
then 2 sec? 0 + 2tan0-7 is equal to​

Answer 1

If cosθ=32, then the value of 2sec2θ+2tan2θ−7 is equal to

A

1

B

0

Correct Answer

C

3

D

4

ANSWER

By pythagoras theorem,

32=BC2+22

BC2=9−4

So, BC=5

sec2θ=(23)2=49

2sec2θ=2×49=29

tanθ=(25)

tan2θ=(25

Hope it helps

Answer 2

Answer:

answer is with attachment

pls Mark brainliest